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Code Issues Releases Wiki Activity

fixed to show the correct regression line

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OliE
2018-02-24 16:31:27 +01:00
parent 5f9610ec03
commit 6854b9704e
1 changed files with 11 additions and 4 deletions
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15
android_app/app/src/main/java/com/health/openscale/gui/fragments/GraphFragment.java
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@@ -278,9 +278,10 @@ public class GraphFragment extends Fragment implements FragmentUpdateListener {
newValue.setLabel(String.format("Ø %.2f", newValue.getY()));
pointValues.push(newValue);
return true;
} else {
if (value_y != 0.0f) { // don't show zero values
pointValues.add(new PointValue(value_x, value_y));
pointValues.push(new PointValue(value_x, value_y));
return true;
}
}
@@ -410,8 +411,13 @@ public class GraphFragment extends Fragment implements FragmentUpdateListener {
Stack<PointValue> valuesWeight = new Stack<PointValue>();
for (ScaleMeasurement measurement : scaleMeasurementList) {
calDB.setTime(measurement.getDateTime());
addPointValue(valuesWeight, calDB.get(field), measurement.getConvertedWeight(openScale.getSelectedScaleUser().getScaleUnit()));
polyFitter.addPoint(calDB.get(field), measurement.getConvertedWeight(openScale.getSelectedScaleUser().getScaleUnit()));
}
for (PointValue value : valuesWeight) {
polyFitter.addPoint(value.getX(), value.getY());
}
PolynomialFitter.Polynomial polynom = polyFitter.getBestFit();
@@ -419,14 +425,15 @@ public class GraphFragment extends Fragment implements FragmentUpdateListener {
Stack<PointValue> valuesLinearRegression = new Stack<PointValue>();
if (!valuesWeight.isEmpty()) {
for (int i = (int)valuesWeight.peek().getX(); i <= maxDays; i++) {
for (int i = 0; i < maxDays+1; i++) {
double y_value = polynom.getY(i);
valuesLinearRegression.push(new PointValue((float) i, (float) y_value));
}
}
Line linearRegressionLine = new Line(valuesLinearRegression)
.setColor(ChartUtils.COLOR_VIOLET)
.setHasPoints(false);
.setHasPoints(false)
.setCubic(true);
linearRegressionLine.setPathEffect(new DashPathEffect(new float[] {10,30}, 0));